Route Price Intelligence
Cheap Flights From St. Louis to Buenos Aires
Live pricing benchmarks, monthly patterns, and historical lows for this route.
Typical Price
$1,192
Great Deal
Under $1,164
Typical Range
$1,164 – $1,291
Lowest We've Seen
$909
Based on 442 price pointshigh confidence
Monthly Price Guide
Jan
$1,188
Feb
$1,188
Mar
$1,168
Apr
$1,218
May
—
Jun
—
Jul
$1,777
Aug
$1,258
Sep
$1,188
Oct
$1,188
Nov
$1,188
Dec
$1,352
Cheapest Average Expensive
Best Time to Fly from St. Louis to Buenos Aires
The cheapest time to fly from St. Louis to Buenos Aires is typically March, when fares average around $1,168. The most expensive month tends to be July at around $1,777. For the best deals, consider flying in March, October, November.
Typical Price by Travel Month
Median round-trip fare for each month, with the typical price range, from our ongoing tracking of this route
Cheapest month: September16,006 fares analyzedTypical low: $1,090